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IMAS 2013 Junior Division First Round Question 12

IMAS · IMAS 2013 Junior Division First Round

Question 12

Linda cuts out a shape as shown in the diagram. $AB$ is parallel to $CD$ and the measure of angle $AFE$ is $40^\circ$. What, in degrees, is the total measure of angles $BAF$, $FED$ and $EDC$?

Question illustration
  1. 200
  2. 220
  3. 300
  4. 320
  5. not uniquely determined